But she ran that marathon anyway and had the cancer surgery 8 days later.

"Running helped me see that there's nothing I really cannot do if I really put my mind to it," she said.

Angela was just featured on the cover of Runner's World Magazine as part of a new campaign called Outrunning Cancer, linking runners to cancer charities. According to a new survey by the magazine, 86% of runners race once a year for a cancer charity.

Last year alone they found that runners raised more than $650 million for cancer research.

And that connection between running and fighting cancer goes deeper. Many runners are cancer survivors.

And patients often say that fighting cancer is like running a marathon, you keep going when all you want to do is quit.